body,input,select,option,button,ul,li,h1,h2,h3,h4,h5,p,a{
    margin: 0;
    padding: 0;
}
button{
    border: none;
    background: none;
    outline: none;
}
input,select,option{
    border: none;
    background: none;
    outline: none;
}
ul{
    font-size: 0;
    list-style: none;
}
a{
    text-decoration: none;
    font-size: 12px;
}
table{
    border-collapse: collapse;
}
.clearfix:after{
    content: "";
    display: block;
    clear: both;
}
.clearfix{
    zoom: 1;
}